The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 2021
Filed:
Apr. 09, 2018
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventors:
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/0233 (2021.01); H01S 5/024 (2006.01); H01S 5/02 (2006.01); H01S 5/02212 (2021.01); H01S 5/323 (2006.01); H01S 5/02218 (2021.01); H01S 5/02208 (2021.01);
U.S. Cl.
CPC ...
H01S 5/02476 (2013.01); H01S 5/0206 (2013.01); H01S 5/0233 (2021.01); H01S 5/02208 (2013.01); H01S 5/02212 (2013.01); H01S 5/02218 (2021.01); H01S 5/02469 (2013.01); H01S 5/32308 (2013.01);
Abstract
In a semiconductor laser device that includes: a semiconductor laser element that outputs light from an output portion; and a metal stem that holds the semiconductor laser element, the metal stem includes a base that has a reference surface on an upper surface and a protrusion portion that protrudes upward from the reference surface, and the protrusion portion is provided with an installation surface on which the semiconductor laser element is installed and a side surface which is disposed on an identical plane with a part of an outer circumferential surface of the base.